package org.kk.util;

import java.util.Arrays;

public class Tool {

    public static void print(int[] arr){
        System.out.println(Arrays.toString(arr));
    }
    public static void swap(int[] arr, int i, int j){
        int temp = arr[i];
        arr[i] = arr[j];
        arr[j] = temp;
    }
}
